powerpc/32s: Move setup_{kuep/kuap}() into {kuep/kuap}.c

Avoids the #ifdef in mmu.c

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/0b7a13d414837e58264edc336b89c2fe9f35f9bc.1622708530.git.christophe.leroy@csgroup.eu

diff --git a/arch/powerpc/mm/book3s32/Makefile b/arch/powerpc/mm/book3s32/Makefile
index 7f0c8a7..15f4773 100644 (file)
--- a/arch/powerpc/mm/book3s32/Makefile
+++ b/arch/powerpc/mm/book3s32/Makefile
@@ -10,3 +10,4 @@ obj-y += mmu.o mmu_context.o
 obj-$(CONFIG_PPC_BOOK3S_603) += nohash_low.o
 obj-$(CONFIG_PPC_BOOK3S_604) += hash_low.o tlb.o
 obj-$(CONFIG_PPC_KUEP) += kuep.o
+obj-$(CONFIG_PPC_KUAP) += kuap.o

diff --git a/arch/powerpc/mm/book3s32/kuap.c b/arch/powerpc/mm/book3s32/kuap.c
new file mode 100644 (file)
index 0000000..1df5539
--- /dev/null
+++ b/arch/powerpc/mm/book3s32/kuap.c
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include <asm/kup.h>
+
+void __init setup_kuap(bool disabled)
+{
+       pr_info("Activating Kernel Userspace Access Protection\n");
+
+       if (disabled)
+               pr_warn("KUAP cannot be disabled yet on 6xx when compiled in\n");
+}

diff --git a/arch/powerpc/mm/book3s32/kuep.c b/arch/powerpc/mm/book3s32/kuep.c
index 8ed1b86..6eafe7b 100644 (file)
--- a/arch/powerpc/mm/book3s32/kuep.c
+++ b/arch/powerpc/mm/book3s32/kuep.c
@@ -38,3 +38,11 @@ void kuep_unlock(void)
 {
        kuep_update(mfsr(0) & ~SR_NX);
 }
+
+void __init setup_kuep(bool disabled)
+{
+       pr_info("Activating Kernel Userspace Execution Prevention\n");
+
+       if (disabled)
+               pr_warn("KUEP cannot be disabled yet on 6xx when compiled in\n");
+}

diff --git a/arch/powerpc/mm/book3s32/mmu.c b/arch/powerpc/mm/book3s32/mmu.c
index 1599303..2706158 100644 (file)
--- a/arch/powerpc/mm/book3s32/mmu.c
+++ b/arch/powerpc/mm/book3s32/mmu.c
@@ -445,26 +445,6 @@ void __init print_system_hash_info(void)
                pr_info("Hash_mask         = 0x%lx\n", Hash_mask);
 }
 
-#ifdef CONFIG_PPC_KUEP
-void __init setup_kuep(bool disabled)
-{
-       pr_info("Activating Kernel Userspace Execution Prevention\n");
-
-       if (disabled)
-               pr_warn("KUEP cannot be disabled yet on 6xx when compiled in\n");
-}
-#endif
-
-#ifdef CONFIG_PPC_KUAP
-void __init setup_kuap(bool disabled)
-{
-       pr_info("Activating Kernel Userspace Access Protection\n");
-
-       if (disabled)
-               pr_warn("KUAP cannot be disabled yet on 6xx when compiled in\n");
-}
-#endif
-
 void __init early_init_mmu(void)
 {
 }